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Controller configured for wrong coin mechanism

Controller configured for wrong coin mechanism — Vendor rejects coins

Candy · MARS Series Vending Machines

What does Controller configured for wrong coin mechanism mean?

The vending machine is rejecting coins because the controller is set up for a different type of coin mechanism than what is installed. This mismatch prevents proper operation.

Common Causes

  • Incorrect coin mechanism setting in the controller
  • Wrong coin mechanism installed

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Use MODE 2 (Service Mode) and selection button #8 to check the coin mechanism configuration.

  2. 2

    Ensure the configured coin mechanism matches the installed unit.

  3. 3

    If mismatched, reconfigure the controller or replace the coin mechanism.

Browse all codes in this manual (36)
Verified technical data. Last updated: April 2026

Related Faults

3 beeps then stop3 beeps then stop — Motor fault detectedA1 High CurrentA1 High Current — Motor detected high current usageA1 Low CurrentA1 Low Current — Motor failed due to low current or motor not found
Source: Candy MARS Series Vending Machines
Open Manual (Page 120)Search more codes in this manual